{% extends 'homepage.html' %}
{% block content %}

<div class="announce error">
<div>Oh nooeess! We are so ashamed. This page is the living proof that
calculations on the best mathematical website in the world 
sometimes still go awfully wrong.</div>

{% if request.referrer %}
<div>The page you are looking for has produced a severe error and
if you want to help improving the page behind  "{{ request.referrer }}",
please report that URL!
</div>
{% endif %}

<div>Please keep your faith in mathematics!</div>

<div><a href="{{ request.referrer }}">jump back</a></div>

</div>

{% endblock %}
